Rear portion of vehicle



FIG. 1 is a perspective view of a rear portion of a vehicle showing our new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a top plan view thereof; and,

FIG. 4 is a side elevational view, the opposite side elevational view being a mirror image thereof.

The broken line showing of the fuel tank door in FIG. 4 is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a rear portion of vehicle, as shown and described. 